mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2024-12-16 15:21:02 +00:00
070ec75785
- Added a generic Standard MIDI File creator that works with any of the sequencers. mus2midi.cpp is no longer used but is kept around as a reference. SVN r2677 (trunk)
877 lines
19 KiB
C++
877 lines
19 KiB
C++
/*
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** i_music.cpp
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** Plays music
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2010 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#ifdef _WIN32
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <mmsystem.h>
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#else
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#include <SDL.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <unistd.h>
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#include <wordexp.h>
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#include <stdio.h>
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#include "mus2midi.h"
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#define FALSE 0
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#define TRUE 1
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extern void ChildSigHandler (int signum);
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#endif
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#include <ctype.h>
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#include <assert.h>
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#include <stdio.h>
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#include "i_musicinterns.h"
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#include "doomtype.h"
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#include "m_argv.h"
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#include "i_music.h"
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#include "w_wad.h"
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#include "c_console.h"
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#include "c_dispatch.h"
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#include "i_system.h"
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#include "i_sound.h"
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#include "s_sound.h"
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#include "m_swap.h"
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#include "i_cd.h"
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#include "tempfiles.h"
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#include "templates.h"
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#include "stats.h"
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#include "timidity/timidity.h"
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#define GZIP_ID1 31
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#define GZIP_ID2 139
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#define GZIP_CM 8
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#define GZIP_ID MAKE_ID(GZIP_ID1,GZIP_ID2,GZIP_CM,0)
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#define GZIP_FTEXT 1
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#define GZIP_FHCRC 2
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#define GZIP_FEXTRA 4
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#define GZIP_FNAME 8
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#define GZIP_FCOMMENT 16
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enum EMIDIType
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{
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MIDI_NOTMIDI,
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MIDI_MIDI,
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MIDI_HMI,
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MIDI_MUS
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};
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extern int MUSHeaderSearch(const BYTE *head, int len);
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EXTERN_CVAR (Int, snd_samplerate)
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EXTERN_CVAR (Int, snd_mididevice)
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static bool MusicDown = true;
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static BYTE *ungzip(BYTE *data, int *size);
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MusInfo *currSong;
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int nomusic = 0;
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float relative_volume = 1.f;
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float saved_relative_volume = 1.0f; // this could be used to implement an ACS FadeMusic function
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//==========================================================================
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//
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// CVAR snd_musicvolume
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//
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// Maximum volume of MOD/stream music.
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//==========================================================================
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CUSTOM_CVAR (Float, snd_musicvolume, 0.5f, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
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{
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if (self < 0.f)
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self = 0.f;
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else if (self > 1.f)
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self = 1.f;
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else
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{
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// Set general music volume.
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if (GSnd != NULL)
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{
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GSnd->SetMusicVolume(clamp<float>(self * relative_volume, 0, 1));
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}
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// For music not implemented through the digital sound system,
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// let them know about the change.
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if (currSong != NULL)
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{
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currSong->MusicVolumeChanged();
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}
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else
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{ // If the music was stopped because volume was 0, start it now.
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S_RestartMusic();
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}
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}
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}
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MusInfo::MusInfo()
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: m_Status(STATE_Stopped), m_Looping(false), m_NotStartedYet(true)
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{
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}
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MusInfo::~MusInfo ()
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{
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}
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bool MusInfo::SetPosition (unsigned int ms)
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{
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return false;
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}
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bool MusInfo::SetSubsong (int subsong)
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{
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return false;
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}
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void MusInfo::Update ()
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{
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}
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void MusInfo::MusicVolumeChanged()
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{
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}
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void MusInfo::TimidityVolumeChanged()
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{
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}
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void MusInfo::FluidSettingInt(const char *, int)
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{
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}
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void MusInfo::FluidSettingNum(const char *, double)
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{
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}
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void MusInfo::FluidSettingStr(const char *, const char *)
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{
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}
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FString MusInfo::GetStats()
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{
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return "No stats available for this song";
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}
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MusInfo *MusInfo::GetOPLDumper(const char *filename)
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{
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return NULL;
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}
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MusInfo *MusInfo::GetWaveDumper(const char *filename, int rate)
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{
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return NULL;
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}
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void I_InitMusic (void)
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{
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static bool setatterm = false;
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Timidity::LoadConfig();
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snd_musicvolume.Callback ();
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nomusic = !!Args->CheckParm("-nomusic") || !!Args->CheckParm("-nosound");
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#ifdef _WIN32
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I_InitMusicWin32 ();
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#endif // _WIN32
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if (!setatterm)
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{
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setatterm = true;
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atterm (I_ShutdownMusic);
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#ifndef _WIN32
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signal (SIGCHLD, ChildSigHandler);
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#endif
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}
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MusicDown = false;
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}
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void I_ShutdownMusic(void)
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{
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if (MusicDown)
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return;
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MusicDown = true;
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if (currSong)
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{
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S_StopMusic (true);
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assert (currSong == NULL);
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}
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Timidity::FreeAll();
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#ifdef _WIN32
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I_ShutdownMusicWin32();
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#endif // _WIN32
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}
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void I_PlaySong (void *handle, int _looping, float rel_vol, int subsong)
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{
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MusInfo *info = (MusInfo *)handle;
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if (!info || nomusic)
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return;
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saved_relative_volume = relative_volume = rel_vol;
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info->Stop ();
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info->Play (!!_looping, subsong);
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info->m_NotStartedYet = false;
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if (info->m_Status == MusInfo::STATE_Playing)
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currSong = info;
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else
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currSong = NULL;
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// Notify the sound system of the changed relative volume
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snd_musicvolume.Callback();
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}
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void I_PauseSong (void *handle)
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{
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MusInfo *info = (MusInfo *)handle;
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if (info)
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info->Pause ();
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}
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void I_ResumeSong (void *handle)
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{
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MusInfo *info = (MusInfo *)handle;
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if (info)
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info->Resume ();
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}
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void I_StopSong (void *handle)
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{
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MusInfo *info = (MusInfo *)handle;
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if (info)
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info->Stop ();
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if (info == currSong)
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currSong = NULL;
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}
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void I_UnRegisterSong (void *handle)
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{
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MusInfo *info = (MusInfo *)handle;
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if (info)
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{
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delete info;
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}
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}
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MusInfo *I_RegisterURLSong (const char *url)
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{
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StreamSong *song;
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song = new StreamSong(url, 0, 0);
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if (song->IsValid())
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{
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return song;
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}
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delete song;
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return NULL;
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}
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static MusInfo *CreateMIDISong(FILE *file, const char *filename, BYTE *musiccache, int offset, int len, EMIDIDevice devtype, EMIDIType miditype)
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{
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if (devtype == MIDI_Timidity)
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{
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assert(miditype == MIDI_MIDI);
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return new TimiditySong(file, musiccache, len);
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}
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else if (devtype >= MIDI_Null)
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{
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assert(miditype == MIDI_MIDI);
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if (musiccache != NULL)
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{
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return new StreamSong((char *)musiccache, -1, len);
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}
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else
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{
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return new StreamSong(filename, offset, len);
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}
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}
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else if (miditype == MIDI_MUS)
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{
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return new MUSSong2(file, musiccache, len, devtype);
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}
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else if (miditype == MIDI_MIDI)
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{
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return new MIDISong2(file, musiccache, len, devtype);
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}
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else if (miditype == MIDI_HMI)
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{
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return new HMISong(file, musiccache, len, devtype);
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}
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return NULL;
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}
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MusInfo *I_RegisterSong (const char *filename, BYTE *musiccache, int offset, int len, int device)
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{
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FILE *file;
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MusInfo *info = NULL;
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union
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{
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DWORD id[32/4];
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BYTE idstr[32];
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};
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const char *fmt;
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BYTE *ungzipped;
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int i;
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if (nomusic)
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{
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return 0;
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}
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if (offset != -1)
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{
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file = fopen (filename, "rb");
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if (file == NULL)
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{
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return 0;
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}
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if (len == 0 && offset == 0)
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{
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fseek (file, 0, SEEK_END);
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len = ftell (file);
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fseek (file, 0, SEEK_SET);
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}
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else
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{
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fseek (file, offset, SEEK_SET);
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}
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if (len < 32)
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{
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return 0;
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}
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if (fread (id, 4, 32/4, file) != 32/4)
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{
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fclose (file);
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return 0;
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}
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fseek (file, -32, SEEK_CUR);
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}
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else
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{
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file = NULL;
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if (len < 32)
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{
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return 0;
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}
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for (i = 0; i < 32/4; ++i)
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{
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id[i] = ((DWORD *)musiccache)[i];
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}
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}
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#ifndef _WIN32
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// non-Windows platforms don't support MDEV_MMAPI so map to MDEV_FMOD
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if (device == MDEV_MMAPI)
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device = MDEV_FMOD;
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#endif
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// Check for gzip compression. Some formats are expected to have players
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// that can handle it, so it simplifies things if we make all songs
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// gzippable.
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ungzipped = NULL;
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if ((id[0] & MAKE_ID(255,255,255,0)) == GZIP_ID)
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{
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if (offset != -1)
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{
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BYTE *gzipped = new BYTE[len];
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if (fread(gzipped, 1, len, file) != (size_t)len)
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{
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delete[] gzipped;
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fclose(file);
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return NULL;
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}
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ungzipped = ungzip(gzipped, &len);
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delete[] gzipped;
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}
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else
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{
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ungzipped = ungzip(musiccache, &len);
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}
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if (ungzipped == NULL)
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{
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fclose(file);
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return NULL;
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}
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musiccache = ungzipped;
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for (i = 0; i < 32/4; ++i)
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{
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id[i] = ((DWORD *)musiccache)[i];
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}
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}
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EMIDIType miditype = MIDI_NOTMIDI;
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// Check for MUS format
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// Tolerate sloppy wads by searching up to 32 bytes for the header
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if (MUSHeaderSearch(idstr, sizeof(idstr)) >= 0)
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{
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miditype = MIDI_MUS;
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}
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// Check for HMI format
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else
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if (id[0] == MAKE_ID('H','M','I','-') &&
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id[1] == MAKE_ID('M','I','D','I') &&
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id[2] == MAKE_ID('S','O','N','G'))
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{
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miditype = MIDI_HMI;
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}
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// Check for MIDI format
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else if (id[0] == MAKE_ID('M','T','h','d'))
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{
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miditype = MIDI_MIDI;
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}
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if (miditype != MIDI_NOTMIDI)
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{
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TArray<BYTE> midi;
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/* MIDI are played as:
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- OPL:
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- if explicitly selected by $mididevice
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- when snd_mididevice is -3 and no midi device is set for the song
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- Timidity:
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- if explicitly selected by $mididevice
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- when snd_mididevice is -2 and no midi device is set for the song
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- FMod:
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- if explicitly selected by $mididevice
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- when snd_mididevice is -1 and no midi device is set for the song
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- as fallback when both OPL and Timidity failed unless snd_mididevice is >= 0
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- MMAPI (Win32 only):
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- if explicitly selected by $mididevice (non-Win32 redirects this to FMOD)
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- when snd_mididevice is >= 0 and no midi device is set for the song
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- as fallback when both OPL and Timidity failed and snd_mididevice is >= 0
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*/
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EMIDIDevice devtype = MIDI_Null;
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// Choose the type of MIDI device we want.
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if (device == MDEV_FMOD || (snd_mididevice == -1 && device == MDEV_DEFAULT))
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{
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devtype = MIDI_FMOD;
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}
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else if (device == MDEV_TIMIDITY || (snd_mididevice == -2 && device == MDEV_DEFAULT))
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{
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devtype = MIDI_Timidity;
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}
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else if (device == MDEV_OPL || (snd_mididevice == -3 && device == MDEV_DEFAULT))
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{
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devtype = MIDI_OPL;
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}
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else if (snd_mididevice == -4 && device == MDEV_DEFAULT)
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{
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devtype = MIDI_GUS;
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}
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#ifdef HAVE_FLUIDSYNTH
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else if (device == MDEV_FLUIDSYNTH || (snd_mididevice == -5 && device == MDEV_DEFAULT))
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{
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devtype = MIDI_Fluid;
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}
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#endif
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#ifdef _WIN32
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else
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{
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devtype = MIDI_Win;
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}
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#endif
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retry_as_fmod:
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if (miditype != MIDI_MIDI && devtype >= MIDI_Null)
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{
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// Convert to standard MIDI for external sequencers.
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MIDIStreamer *streamer;
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if (miditype == MIDI_MUS)
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{
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streamer = new MUSSong2(file, musiccache, len, MIDI_Null);
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}
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else
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{
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assert(miditype == MIDI_HMI);
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streamer = new HMISong(file, musiccache, len, MIDI_Null);
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}
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if (streamer->IsValid())
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{
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streamer->CreateSMF(midi);
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miditype = MIDI_MIDI;
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musiccache = &midi[0];
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len = midi.Size();
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if (file != NULL)
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{
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fclose(file);
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file = NULL;
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}
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}
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delete streamer;
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}
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info = CreateMIDISong(file, filename, musiccache, offset, len, devtype, miditype);
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if (info != NULL && !info->IsValid())
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{
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delete info;
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info = NULL;
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}
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if (info == NULL && devtype != MIDI_FMOD && snd_mididevice < 0)
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{
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devtype = MIDI_FMOD;
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goto retry_as_fmod;
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}
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#ifdef _WIN32
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if (info == NULL && devtype != MIDI_Win && snd_mididevice >= 0)
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{
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info = CreateMIDISong(file, filename, musiccache, offset, len, MIDI_Win, miditype);
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}
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#endif
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}
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// Check for various raw OPL formats
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else if (
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(id[0] == MAKE_ID('R','A','W','A') && id[1] == MAKE_ID('D','A','T','A')) || // Rdos Raw OPL
|
|
(id[0] == MAKE_ID('D','B','R','A') && id[1] == MAKE_ID('W','O','P','L')) || // DosBox Raw OPL
|
|
(id[0] == MAKE_ID('A','D','L','I') && *((BYTE *)id + 4) == 'B')) // Martin Fernandez's modified IMF
|
|
{
|
|
info = new OPLMUSSong (file, musiccache, len);
|
|
}
|
|
// Check for game music
|
|
else if ((fmt = GME_CheckFormat(id[0])) != NULL && fmt[0] != '\0')
|
|
{
|
|
info = GME_OpenSong(file, musiccache, len, fmt);
|
|
}
|
|
// Check for module formats
|
|
else
|
|
{
|
|
info = MOD_OpenSong(file, musiccache, len);
|
|
}
|
|
|
|
if (info == NULL)
|
|
{
|
|
// Check for CDDA "format"
|
|
if (id[0] == (('R')|(('I')<<8)|(('F')<<16)|(('F')<<24)))
|
|
{
|
|
if (file != NULL)
|
|
{
|
|
DWORD subid;
|
|
|
|
fseek (file, 8, SEEK_CUR);
|
|
if (fread (&subid, 4, 1, file) != 1)
|
|
{
|
|
fclose (file);
|
|
return 0;
|
|
}
|
|
fseek (file, -12, SEEK_CUR);
|
|
|
|
if (subid == (('C')|(('D')<<8)|(('D')<<16)|(('A')<<24)))
|
|
{
|
|
// This is a CDDA file
|
|
info = new CDDAFile (file, len);
|
|
}
|
|
}
|
|
}
|
|
|
|
// no FMOD => no modules/streams
|
|
// 1024 bytes is an arbitrary restriction. It's assumed that anything
|
|
// smaller than this can't possibly be a valid music file if it hasn't
|
|
// been identified already, so don't even bother trying to load it.
|
|
// Of course MIDIs shorter than 1024 bytes should pass.
|
|
if (info == NULL && (len >= 1024 || id[0] == MAKE_ID('M','T','h','d')))
|
|
{
|
|
// Let FMOD figure out what it is.
|
|
if (file != NULL)
|
|
{
|
|
fclose (file);
|
|
file = NULL;
|
|
}
|
|
info = new StreamSong (offset >= 0 ? filename : (const char *)musiccache, offset, len);
|
|
}
|
|
}
|
|
|
|
if (info && !info->IsValid ())
|
|
{
|
|
delete info;
|
|
info = NULL;
|
|
}
|
|
if (file != NULL)
|
|
{
|
|
fclose (file);
|
|
}
|
|
if (ungzipped != NULL)
|
|
{
|
|
delete[] ungzipped;
|
|
}
|
|
|
|
return info;
|
|
}
|
|
|
|
MusInfo *I_RegisterCDSong (int track, int id)
|
|
{
|
|
MusInfo *info = new CDSong (track, id);
|
|
|
|
if (info && !info->IsValid ())
|
|
{
|
|
delete info;
|
|
info = NULL;
|
|
}
|
|
|
|
return info;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// ungzip
|
|
//
|
|
// VGZ files are compressed with gzip, so we need to uncompress them before
|
|
// handing them to GME.
|
|
//
|
|
//==========================================================================
|
|
|
|
BYTE *ungzip(BYTE *data, int *complen)
|
|
{
|
|
const BYTE *max = data + *complen - 8;
|
|
const BYTE *compstart = data + 10;
|
|
BYTE flags = data[3];
|
|
unsigned isize;
|
|
BYTE *newdata;
|
|
z_stream stream;
|
|
int err;
|
|
|
|
// Find start of compressed data stream
|
|
if (flags & GZIP_FEXTRA)
|
|
{
|
|
compstart += 2 + LittleShort(*(WORD *)(data + 10));
|
|
}
|
|
if (flags & GZIP_FNAME)
|
|
{
|
|
while (compstart < max && *compstart != 0)
|
|
{
|
|
compstart++;
|
|
}
|
|
}
|
|
if (flags & GZIP_FCOMMENT)
|
|
{
|
|
while (compstart < max && *compstart != 0)
|
|
{
|
|
compstart++;
|
|
}
|
|
}
|
|
if (flags & GZIP_FHCRC)
|
|
{
|
|
compstart += 2;
|
|
}
|
|
if (compstart >= max - 1)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
// Decompress
|
|
isize = LittleLong(*(DWORD *)(data + *complen - 4));
|
|
newdata = new BYTE[isize];
|
|
|
|
stream.next_in = (Bytef *)compstart;
|
|
stream.avail_in = (uInt)(max - compstart);
|
|
stream.next_out = newdata;
|
|
stream.avail_out = isize;
|
|
stream.zalloc = (alloc_func)0;
|
|
stream.zfree = (free_func)0;
|
|
|
|
err = inflateInit2(&stream, -MAX_WBITS);
|
|
if (err != Z_OK)
|
|
{
|
|
delete[] newdata;
|
|
return NULL;
|
|
}
|
|
|
|
err = inflate(&stream, Z_FINISH);
|
|
if (err != Z_STREAM_END)
|
|
{
|
|
inflateEnd(&stream);
|
|
delete[] newdata;
|
|
return NULL;
|
|
}
|
|
err = inflateEnd(&stream);
|
|
if (err != Z_OK)
|
|
{
|
|
delete[] newdata;
|
|
return NULL;
|
|
}
|
|
*complen = isize;
|
|
return newdata;
|
|
}
|
|
|
|
void I_UpdateMusic()
|
|
{
|
|
if (currSong != NULL)
|
|
{
|
|
currSong->Update();
|
|
}
|
|
}
|
|
|
|
// Is the song playing?
|
|
bool I_QrySongPlaying (void *handle)
|
|
{
|
|
MusInfo *info = (MusInfo *)handle;
|
|
|
|
return info ? info->IsPlaying () : false;
|
|
}
|
|
|
|
// Change to a different part of the song
|
|
bool I_SetSongPosition (void *handle, int order)
|
|
{
|
|
MusInfo *info = (MusInfo *)handle;
|
|
return info ? info->SetPosition (order) : false;
|
|
}
|
|
|
|
// Sets relative music volume. Takes $musicvolume in SNDINFO into consideration
|
|
void I_SetMusicVolume (float factor)
|
|
{
|
|
factor = clamp<float>(factor, 0, 2.0f);
|
|
relative_volume = saved_relative_volume * factor;
|
|
snd_musicvolume.Callback();
|
|
}
|
|
|
|
CCMD(testmusicvol)
|
|
{
|
|
if (argv.argc() > 1)
|
|
{
|
|
relative_volume = (float)strtod(argv[1], NULL);
|
|
snd_musicvolume.Callback();
|
|
}
|
|
else
|
|
Printf("Current relative volume is %1.2f\n", relative_volume);
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// STAT music
|
|
//
|
|
//==========================================================================
|
|
|
|
ADD_STAT(music)
|
|
{
|
|
if (currSong != NULL)
|
|
{
|
|
return currSong->GetStats();
|
|
}
|
|
return "No song playing";
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// CCMD writeopl
|
|
//
|
|
// If the current song can be played with OPL instruments, dump it to
|
|
// the specified file on disk.
|
|
//
|
|
//==========================================================================
|
|
|
|
CCMD (writeopl)
|
|
{
|
|
if (argv.argc() == 2)
|
|
{
|
|
if (currSong == NULL)
|
|
{
|
|
Printf ("No song is currently playing.\n");
|
|
}
|
|
else
|
|
{
|
|
MusInfo *dumper = currSong->GetOPLDumper(argv[1]);
|
|
if (dumper == NULL)
|
|
{
|
|
Printf ("Current song cannot be saved as OPL data.\n");
|
|
}
|
|
else
|
|
{
|
|
dumper->Play(false, 0); // FIXME: Remember subsong.
|
|
delete dumper;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Printf ("Usage: writeopl <filename>\n");
|
|
}
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// CCMD writewave
|
|
//
|
|
// If the current song can be represented as a waveform, dump it to
|
|
// the specified file on disk. The sample rate parameter is merely a
|
|
// suggestion, and the dumper is free to ignore it.
|
|
//
|
|
//==========================================================================
|
|
|
|
CCMD (writewave)
|
|
{
|
|
if (argv.argc() >= 2 && argv.argc() <= 3)
|
|
{
|
|
if (currSong == NULL)
|
|
{
|
|
Printf ("No song is currently playing.\n");
|
|
}
|
|
else
|
|
{
|
|
MusInfo *dumper = currSong->GetWaveDumper(argv[1], argv.argc() == 3 ? atoi(argv[2]) : 0);
|
|
if (dumper == NULL)
|
|
{
|
|
Printf ("Current song cannot be saved as wave data.\n");
|
|
}
|
|
else
|
|
{
|
|
dumper->Play(false, 0); // FIXME: Remember subsong
|
|
delete dumper;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Printf ("Usage: writewave <filename> [sample rate]");
|
|
}
|
|
}
|